Kakaretso ea Molecular Beam Epitaxy (MBE)
Theknoloji ea Molecular Beam Epitaxy (MBE) e ile ea ntlafatsoa lilemong tsa bo-1950 ho lokisa lisebelisoa tsa filimi tse tšesaane tsa semiconductor ho sebelisa theknoloji ea vacuum evaporation. Ka nts'etsopele ea theknoloji ea vacuum e phahameng haholo, ts'ebeliso ea theknoloji e atoloselitsoe lefapheng la mahlale a semiconductor.
Tšusumetso ea lipatlisiso tsa lisebelisoa tsa semiconductor ke tlhoko ea lisebelisoa tse ncha, tse ka ntlafatsang ts'ebetso ea sistimi. Ka lehlakoreng le leng, theknoloji e ncha ea thepa e ka hlahisa lisebelisoa tse ncha le theknoloji e ncha. Molecular beam epitaxy (MBE) ke theknoloji e phahameng ea vacuum bakeng sa kholo ea epitaxial layer (hangata semiconductor). E sebelisa khanya ea mocheso ea liathomo tsa mohloli kapa limolek'hule tse amang karolo e le 'ngoe ea kristale. Litšobotsi tse phahameng haholo tsa vacuum tsa ts'ebetso li lumella metallization ea in-situ le kholo ea lisebelisoa tse sireletsang holim'a semiconductor tse sa tsoa hola, e leng se bakang likhokahano tse se nang tšilafalo.
Theknoloji ea MBE
The molecular beam epitaxy e ne e etsoa ka vacuum e phahameng kapa vacuum e phahameng haholo (1 x 10).-8Pa) tikoloho. Ntho ea bohlokoa ka ho fetisisa ea molecular beam epitaxy ke tekanyo ea eona e tlaase ea deposition, eo hangata e lumellang filimi ho epitaxial ho hōla ka tekanyo e ka tlaase ho 3000 nm ka hora. Sekhahla se tlase joalo sa deposition se hloka vacuum e phahameng e lekaneng ho fihlela boemo bo ts'oanang ba bohloeki joalo ka mekhoa e meng ea deposition.
Ho kopana le vacuum e phahameng ka ho fetisisa e hlalositsoeng ka holimo, sesebelisoa sa MBE (Knudsen cell) se na le lera le pholileng, 'me tikoloho ea "vacuum" e phahameng ka ho fetisisa ea kamore ea kholo e tlameha ho bolokoa ho sebelisoa tsamaiso ea metsi ea nitrogen. Naetrojene e metsi e pholisa mocheso o ka hare oa sesebelisoa ho 77 Kelvin (−196 °C). Tikoloho e tlase ea mocheso e ka fokotsa litaba tsa litšila ka har'a vacuum le ho fana ka maemo a betere bakeng sa ho beoa ha lifilimi tse tšesaane. Ka hona, mokhoa o inehetseng oa ho potoloha ha naetrojene oa mokelikeli oa hlokahala bakeng sa lisebelisoa tsa MBE ho fana ka phepelo e tsoelang pele le e tsitsitseng ea -196 °C ea metsi a naetrojene.
Mokelikeli oa Nitrogen Cooling Circulation System
Sistimi ea phepelo ea phepelo ea naetrojene ea vacuum e kenyelletsa haholo,
● tanka ea cryogenic
● phala e ka sehloohong le ea lekala e koetsoeng ka pipe / vacuum jacketed hose
● MBE khethehileng mohato karohano le vacuum jacketed mosi phala phala
● li-valve tse sa tšoaneng tsa vacuum jacketed
● thibelo ea khase ea metsi
● filthara ea vacuum jacketed
● tsamaiso ea pompo ea vacuum e matla
● Ho pholile le ho hloekisa tsamaiso ea ho futhumatsa hape
Khamphani ea HL Cryogenic Equipment e hlokometse tlhoko ea sistimi ea pholiso ea naetrojene ea metsi ea MBE, e hlophisitsoeng ka mokokotlo oa tekheniki ho atleha ho nts'etsapele sistimi e khethehileng ea "MBE" ea "nitrogen" ea mokelikeli bakeng sa theknoloji ea MBE le sete e felletseng ea vacuum insulat.edtsamaiso ea liphaephe, e 'nileng ea sebelisoa likhoebong tse ngata, liunivesithing le mekhatlong ea lipatlisiso.
Lisebelisoa tsa HL Cryogenic
HL Cryogenic Equipment e thehiloeng ka 1992 ke lets'oao le ikopantseng le Chengdu Holy Cryogenic Equipment Company naheng ea China. HL Cryogenic Equipment e ikemiseditse ho rala le ho etswa ha High Vacuum Insulated Cryogenic Piping System le Thepa e amanang le Tshehetso.
Ho fumana lintlha tse ling, ka kopo etela sebaka sa marang-rang sa semmusowww.hlcryo.com, kapa imeile hoinfo@cdholy.com.
Nako ea poso: May-06-2021
